Generate genlex rules from bp2build for cc targets
This change will cause bp2build to generate genlex targets any
time a .l or .ll file is present in the srcs for a cc target and
add those genlex targets to the srcs attribute of the original
target.
Bug: 207408632
Test: unit tests
Change-Id: I1bce82c9d3c3d458eae1cef547ffae3d6e975134
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 4155aa3..ba02b7e 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -29,6 +29,8 @@
const (
cSrcPartition = "c"
asSrcPartition = "as"
+ lSrcPartition = "l"
+ llSrcPartition = "ll"
cppSrcPartition = "cpp"
protoSrcPartition = "proto"
)
@@ -76,6 +78,12 @@
protoSrcPartition: android.ProtoSrcLabelPartition,
cSrcPartition: bazel.LabelPartition{Extensions: []string{".c"}, LabelMapper: addSuffixForFilegroup("_c_srcs")},
asSrcPartition: bazel.LabelPartition{Extensions: []string{".s", ".S"}, LabelMapper: addSuffixForFilegroup("_as_srcs")},
+ // TODO(http://b/231968910): If there is ever a filegroup target that
+ // contains .l or .ll files we will need to find a way to add a
+ // LabelMapper for these that identifies these filegroups and
+ // converts them appropriately
+ lSrcPartition: bazel.LabelPartition{Extensions: []string{".l"}},
+ llSrcPartition: bazel.LabelPartition{Extensions: []string{".ll"}},
// C++ is the "catch-all" group, and comprises generated sources because we don't
// know the language of these sources until the genrule is executed.
cppSrcPartition: bazel.LabelPartition{Extensions: []string{".cpp", ".cc", ".cxx", ".mm"}, LabelMapper: addSuffixForFilegroup("_cpp_srcs"), Keep_remainder: true},
@@ -285,6 +293,11 @@
cppFlags bazel.StringListAttribute
srcs bazel.LabelListAttribute
+ // Lex sources and options
+ lSrcs bazel.LabelListAttribute
+ llSrcs bazel.LabelListAttribute
+ lexopts bazel.StringListAttribute
+
hdrs bazel.LabelListAttribute
rtti bazel.BoolAttribute
@@ -407,6 +420,8 @@
ca.srcs = partitionedSrcs[cppSrcPartition]
ca.cSrcs = partitionedSrcs[cSrcPartition]
ca.asSrcs = partitionedSrcs[asSrcPartition]
+ ca.lSrcs = partitionedSrcs[lSrcPartition]
+ ca.llSrcs = partitionedSrcs[llSrcPartition]
ca.absoluteIncludes.DeduplicateAxesFromBase()
ca.localIncludes.DeduplicateAxesFromBase()
@@ -515,7 +530,9 @@
var allHdrs []string
if baseCompilerProps, ok := archVariantCompilerProps[axis][config].(*BaseCompilerProperties); ok {
allHdrs = baseCompilerProps.Generated_headers
-
+ if baseCompilerProps.Lex != nil {
+ compilerAttrs.lexopts.SetSelectValue(axis, config, baseCompilerProps.Lex.Flags)
+ }
(&compilerAttrs).bp2buildForAxisAndConfig(ctx, axis, config, baseCompilerProps)
}
@@ -570,6 +587,10 @@
(&linkerAttrs).wholeArchiveDeps.Add(protoDep.wholeStaticLib)
(&linkerAttrs).implementationWholeArchiveDeps.Add(protoDep.implementationWholeStaticLib)
+ convertedLSrcs := bp2BuildLex(ctx, module.Name(), compilerAttrs)
+ (&compilerAttrs).srcs.Add(&convertedLSrcs.srcName)
+ (&compilerAttrs).cSrcs.Add(&convertedLSrcs.cSrcName)
+
return baseAttributes{
compilerAttrs,
linkerAttrs,
diff --git a/cc/gen.go b/cc/gen.go
index 8f62363..08b49c9 100644
--- a/cc/gen.go
+++ b/cc/gen.go
@@ -18,6 +18,7 @@
"path/filepath"
"strings"
+ "android/soong/bazel"
"github.com/google/blueprint"
"android/soong/android"
@@ -169,6 +170,41 @@
})
}
+type LexAttrs struct {
+ Srcs bazel.LabelListAttribute
+ Lexopts bazel.StringListAttribute
+}
+
+type LexNames struct {
+ cSrcName bazel.LabelAttribute
+ srcName bazel.LabelAttribute
+}
+
+func bp2BuildLex(ctx android.Bp2buildMutatorContext, moduleName string, ca compilerAttributes) LexNames {
+ names := LexNames{}
+ if !ca.lSrcs.IsEmpty() {
+ names.cSrcName = createLexTargetModule(ctx, moduleName+"_genlex_l", ca.lSrcs, ca.lexopts)
+ }
+ if !ca.llSrcs.IsEmpty() {
+ names.srcName = createLexTargetModule(ctx, moduleName+"_genlex_ll", ca.llSrcs, ca.lexopts)
+ }
+ return names
+}
+
+func createLexTargetModule(ctx android.Bp2buildMutatorContext, name string, srcs bazel.LabelListAttribute, opts bazel.StringListAttribute) bazel.LabelAttribute {
+ ctx.CreateBazelTargetModule(
+ bazel.BazelTargetModuleProperties{
+ Rule_class: "genlex",
+ Bzl_load_location: "//build/bazel/rules/cc:flex.bzl",
+ },
+ android.CommonAttributes{Name: name},
+ &LexAttrs{
+ Srcs: srcs,
+ Lexopts: opts,
+ })
+ return bazel.LabelAttribute{Value: &bazel.Label{Label: ":" + name}}
+}
+
func genSysprop(ctx android.ModuleContext, syspropFile android.Path) (android.Path, android.Paths) {
headerFile := android.PathForModuleGen(ctx, "sysprop", "include", syspropFile.Rel()+".h")
publicHeaderFile := android.PathForModuleGen(ctx, "sysprop/public", "include", syspropFile.Rel()+".h")